Piezo Spheres and Hemispheres
(Hollow Spheres, Hemispheres, Focus Bowls)
Piezo Direct offers piezo hollow spheres and hemispheres in a variety of thicknesses and sizes to provide customer specific solutions. Their shape allows these components to function as omnidirectional transducers.
Piezo Direct offers piezo hollow spheres and hemispheres in a variety of thicknesses and sizes to provide customer specific solutions. Their shape allows these components to function as omnidirectional transducers.
- Low power consumption, fast response time, highly efficient
- Small, thin, lightweight, and quiet
- Widely used in air and fluid pumps
- Flow rate can be accurately controlled and adjusted
- Can be driven using 5VDC/24VDC or 110VAC/220VAC
- Ultrasonic imaging
- Medical sensors
- Sonar
- Robotic sensing
- Flow and fill rate sensing
| Model | D x T (mm) | Capacitance (nF) @1V, 100 Hz | Displacement (µm) 155Vp-p |
| QDTA27-0.5-1 | 27 dia. x 0.5 PZT: 24 dia. x 0.3 | 55 ± 15% | 50 – 80 |
| QDTA41-0.6-1 | 41 dia. x 0.6 PZT: 36 dia. x 0.3 | 115 ± 15% | 70 – 110 |
| QDTA55-0.55-1 | 55 dia. x 0.5 PZT: 48 dia. x 0.3 | 245 ± 15% | 130 – 170 |
Note: Custom size and specifications available upon request.
Recommended Operative Conditions
Operating Temperature： -10℃～+70℃
Operating Voltage： 100 VDC～115 VDC
Maximum Voltage： 120VDC
Operating Frequency： 50Hz～60Hz